| /* |
| * Copyright (C) 2012 Lucas Stach |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <common.h> |
| #include <asm/arch/clock.h> |
| #include <asm/arch/funcmux.h> |
| #include <asm/arch/pinmux.h> |
| #include <asm/arch-tegra/board.h> |
| #include <asm/gpio.h> |
| |
| #ifdef CONFIG_TEGRA_MMC |
| /* |
| * Routine: pin_mux_mmc |
| * Description: setup the pin muxes/tristate values for the SDMMC(s) |
| */ |
| void pin_mux_mmc(void) |
| { |
| funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_4_BIT); |
| pinmux_tristate_disable(PMUX_PINGRP_GMB); |
| } |
| #endif |
| |
| #ifdef CONFIG_TEGRA_NAND |
| void pin_mux_nand(void) |
| { |
| funcmux_select(PERIPH_ID_NDFLASH, FUNCMUX_NDFLASH_KBC_8_BIT); |
| |
| /* |
| * configure pingroup ATC to something unrelated to |
| * avoid ATC overriding KBC |
| */ |
| pinmux_set_func(PMUX_PINGRP_ATC, PMUX_FUNC_GMI); |
| } |
| #endif |
| |
| #ifdef CONFIG_USB_EHCI_TEGRA |
| void pin_mux_usb(void) |
| { |
| /* module internal USB bus to connect ethernet chipset */ |
| funcmux_select(PERIPH_ID_USB2, FUNCMUX_USB2_ULPI); |
| |
| /* ULPI reference clock output */ |
| pinmux_set_func(PMUX_PINGRP_CDEV2, PMUX_FUNC_PLLP_OUT4); |
| pinmux_tristate_disable(PMUX_PINGRP_CDEV2); |
| |
| /* PHY reset GPIO */ |
| pinmux_tristate_disable(PMUX_PINGRP_UAC); |
| |
| /* VBus GPIO */ |
| pinmux_tristate_disable(PMUX_PINGRP_DTE); |
| |
| /* Reset ASIX using LAN_RESET */ |
| gpio_request(GPIO_PV4, "LAN_RESET"); |
| gpio_direction_output(GPIO_PV4, 0); |
| pinmux_tristate_disable(PMUX_PINGRP_GPV); |
| udelay(5); |
| gpio_set_value(GPIO_PV4, 1); |
| |
| /* USBH_PEN: USB 1 aka Tegra USB port 3 VBus */ |
| pinmux_tristate_disable(PMUX_PINGRP_SPIG); |
| } |
| #endif |
